www.reboot.js.keyboard.js Maven / Gradle / Ivy
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var nf = typeof nf !== 'undefined' ? nf : {};
nf.keyboard = (function() {
'use strict';
var keyDownCode = 40,
keyUpCode = 38,
keyEnter = 13,
keyFCode = 70;
var fireChange = function(element) {
var changeEvent = new Event('change');
element.dispatchEvent(changeEvent);
};
var bindInputSelect = function(input, select) {
input.autocomplete = 'off';
input.addEventListener('keyup', function(e) {
if (e.keyCode === keyDownCode) {
select.focus();
if (select.selectedIndex === -1 && select.options.length) {
select.options[0].selected = true;
fireChange(select);
}
}
}, false);
select.addEventListener('keydown', function(e) {
if (!e.shiftKey && e.keyCode === keyUpCode && this.selectedIndex === 0) {
input.focus();
if (select.options.length) {
window.setTimeout(function() {
select.options[0].selected = false;
fireChange(select);
}, 0);
}
}
}, false);
select.addEventListener('keyup', function(e) {
if (e.ctrlKey && e.keyCode === keyFCode) {
input.focus();
} else if (e.keyCode === keyEnter) {
var event = new CustomEvent('keyboardSelection', {
'detail': {
'selected': nf.multiSelect.getValuesAsAnArray(select)
}
});
select.dispatchEvent(event);
input.focus();
}
}, false);
};
return {
bindInputSelect: bindInputSelect
};
}());